Page 3 of 3 FirstFirst 123
Results 21 to 28 of 28

Thread: Foc?

  1. #21
    Senior Member elkslayer4x5's Avatar
    Join Date
    Mar 2008
    Location
    Lane County, Oregon
    Posts
    2,748
    Post Thanks / Like

    Default

    Having gone almost full cirle now, we're back to the back of the arrow, have you tried feathers instead of vanes? Since you don't say in your signature just what vanes you're using, I'll use Bohning Blazers as an example; they weigh 6 grn each, so 18 grns, Gateway Rayzrs weigh 1.4 grn each or 4.2 grns, a difference of 13.8 grns, AND they'll provide more guidance. Just sayin.
    Last edited by elkslayer4x5; 11-19-2011 at 05:58 AM.
    http://eastoutfitter.tripod.com/index.html
    http://www.cascadianbowmen.org/
    Martin 06 Slayer, Nitrous C, shoot thru, 63lb, Quiktune 3000, HAA OL 5519, Beman ICS Hunter
    Martin 06 Slayer, Nitrous C, Shoot thru, 55lb, Quiktune 3000, HHA OL 5519 2X, Easton A/C/C
    Ben Pearson 1968 'Cougar' 62" 45#s @ 28" recurve, parallel shaft POC, Zwickey 'Eskimo' 2 blade

  2. #22
    Senior Member droppixel's Avatar
    Join Date
    Apr 2011
    Location
    Plano, IL
    Posts
    1,611
    Post Thanks / Like

    Default

    Was wondering about how to keep FOC up with other arrows that don't have the weight system like GT does. I have been looking into shooting Lumenoks and with their weight on the back-end it really pulls your FOC down. I have also been looking Harvest Time arrows and noticed their HT2 inserts are 14 grains, but their HT1 are stainless at 85 grains! That would easily solve the problem, but what if you weren't going that route? I don't want to go up to a 125gr head if possible. Just wondering what everyone thinks or knows.
    2014 Lithium :: 2007 Cheetah :: Jaguar Take-down
    REAL AVID Field Staff / Bucks and Beards Scents Field Staff

  3. #23
    Senior Member
    Join Date
    Jan 2011
    Location
    North Dakota
    Posts
    227
    Post Thanks / Like

    Default

    @ elkslayer4x5 I have blazer vanes. Haven't really thought about changing vanes though. Did manually check then and they still came out to 10.1 to 10.3 by calculations if I did it all properly. Am going to check using another suggestion with 125 gr tips to see what they show. Shot them this morning to see difference in flight and they did hit a little lower using the same pins but vertically they were almost exactly where the 100 gr are. I did notice at 10 degrees out the bow was even quieter with the 125s. Still trying to fix a tail left as well so getting frustrating in this cold. Might end up with tag soup this yr, lol.

    Ok just checked using a 125 gr fp and the FOC is at 13.47 using 18 1/4 to ballance point and using 18 1/8 to ballance point comes out at 13.02. Used both numbers to cover slight differences when I measured. Question now is can I shoot 125 bhs on the 5575s without spine issues. Still trying to fix the left kick.
    Last edited by parttimr; 11-20-2011 at 07:45 AM.
    2010 Bengal,63#, 28dl, Easton ST Excels 400s @ 27.5", GT 5575s @ 27.5", or Beman 400s @ 27.5, ST 100 Magnums/Grim Reapers, older WB, Bonecollector 1100 Sights, LimbSaver "S" coil stabilizer, Grayling four arrow quiver, nocturnal nocks, Hutch-n-Sons cable/strings

  4. #24
    Senior Member elkslayer4x5's Avatar
    Join Date
    Mar 2008
    Location
    Lane County, Oregon
    Posts
    2,748
    Post Thanks / Like

    Default

    As Bfisher reminds us, the bow is infinatly more adjustable than an arrow is, don't forget the limb bolts, a half turn may fix that flight problem.
    http://eastoutfitter.tripod.com/index.html
    http://www.cascadianbowmen.org/
    Martin 06 Slayer, Nitrous C, shoot thru, 63lb, Quiktune 3000, HAA OL 5519, Beman ICS Hunter
    Martin 06 Slayer, Nitrous C, Shoot thru, 55lb, Quiktune 3000, HHA OL 5519 2X, Easton A/C/C
    Ben Pearson 1968 'Cougar' 62" 45#s @ 28" recurve, parallel shaft POC, Zwickey 'Eskimo' 2 blade

  5. #25
    Senior Member
    Join Date
    Jan 2011
    Location
    North Dakota
    Posts
    227
    Post Thanks / Like

    Default

    Thanks for the info ES but forgive the question but wouldn't that change the draw weight? And if I did make any adj to the limbs should I go half a turn up or down?
    2010 Bengal,63#, 28dl, Easton ST Excels 400s @ 27.5", GT 5575s @ 27.5", or Beman 400s @ 27.5, ST 100 Magnums/Grim Reapers, older WB, Bonecollector 1100 Sights, LimbSaver "S" coil stabilizer, Grayling four arrow quiver, nocturnal nocks, Hutch-n-Sons cable/strings

  6. #26
    Senior Member elkslayer4x5's Avatar
    Join Date
    Mar 2008
    Location
    Lane County, Oregon
    Posts
    2,748
    Post Thanks / Like

    Default

    Yes it will change the draw weight, but how much is a half turn?. Which way? the arrow will tell you. If your arrow spine is stiffer than required , more draw weight, lighter spine, less draw weight.
    http://eastoutfitter.tripod.com/index.html
    http://www.cascadianbowmen.org/
    Martin 06 Slayer, Nitrous C, shoot thru, 63lb, Quiktune 3000, HAA OL 5519, Beman ICS Hunter
    Martin 06 Slayer, Nitrous C, Shoot thru, 55lb, Quiktune 3000, HHA OL 5519 2X, Easton A/C/C
    Ben Pearson 1968 'Cougar' 62" 45#s @ 28" recurve, parallel shaft POC, Zwickey 'Eskimo' 2 blade

  7. #27
    Senior Member droppixel's Avatar
    Join Date
    Apr 2011
    Location
    Plano, IL
    Posts
    1,611
    Post Thanks / Like

    Default

    Diggin this one up again. In a new spot with some new arrows. According to GT builder, with the new XT hunters I have coming for my X I'll be just shy of 9% (8.6-8.7) FOC depending on arrow length according to them. If I pick up their weights and put a 10g weight up front it will pull me up to 9.7 - is that 1% really going to make a difference? If I go with a 20g weight, I'll be closer to 11% at a finished weight of 392 which is more than I think I would like/need.

    Am I over-thinking this?
    2014 Lithium :: 2007 Cheetah :: Jaguar Take-down
    REAL AVID Field Staff / Bucks and Beards Scents Field Staff

  8. #28
    Senior Member
    Join Date
    Jan 2011
    Location
    SW OK
    Posts
    1,480
    Post Thanks / Like

    Default

    Ryan, check your PMs.
    Firecat 400

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •